无功功率

. Don't you remember   ___________        ?

A．seeing the man before

B．to see the man before

C．saw the man before

D．to have seen the man before

套利定价理论的提出者是（）。

A.马柯威茨

B.夏普

C.罗斯

D.罗尔

推出法中，推出仪的仪表读数显示稳定，在4h内的读数漂移应小于（）

A.0.01kN

B.0.02kN

C.0.03kN

D.0.05kN

We（）our breakfast when the pilot came on board.

A.just have had

B.just had

C.have just had

D.had just had

代位继承适用的范围是( )。

A．遗嘱继承

B．法定继承

C．法定继承和遗嘱继承

D．遗赠抚养协议